diff options
Diffstat (limited to 'converter/other/cameratopam/foveon.c')
| -rw-r--r-- | converter/other/cameratopam/foveon.c | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/converter/other/cameratopam/foveon.c b/converter/other/cameratopam/foveon.c index 992f3883..5a26777b 100644 --- a/converter/other/cameratopam/foveon.c +++ b/converter/other/cameratopam/foveon.c @@ -2,7 +2,6 @@ #define _XOPEN_SOURCE 500 /* get M_PI in math.h */ -#include <stdio.h> #include <assert.h> #include <string.h> #include <float.h> @@ -13,6 +12,7 @@ #include "global_variables.h" #include "decode.h" #include "foveon.h" +#include "stdio_nofail.h" #if HAVE_INT64 typedef int64_t INT64; @@ -32,13 +32,13 @@ -static char * -foveon_gets(int const offset, - char * const str, +static char * +foveon_gets(int const offset, + char * const str, int const len) { unsigned int i; - fseek (ifp, offset, SEEK_SET); + fseek_nofail (ifp, offset, SEEK_SET); for (i=0; i < len-1; ++i) { /* It certains seems wrong that we're reading a 16 bit integer and assigning it to char, but that's what Dcraw does. @@ -55,7 +55,7 @@ foveon_gets(int const offset, -void +void parse_foveon(FILE * const ifp) { long fliplong; long pos; @@ -63,14 +63,14 @@ parse_foveon(FILE * const ifp) { long junk; long entries; - fseek (ifp, 36, SEEK_SET); + fseek_nofail (ifp, 36, SEEK_SET); pm_readlittlelong(ifp, &fliplong); flip = fliplong; - fseek (ifp, -4, SEEK_END); + fseek_nofail (ifp, -4, SEEK_END); pm_readlittlelong(ifp, &pos); - fseek (ifp, pos, SEEK_SET); + fseek_nofail (ifp, pos, SEEK_SET); pm_readlittlelong(ifp, &magic); - if (magic != 0x64434553) + if (magic != 0x64434553) return; /* SECd */ pm_readlittlelong(ifp, &junk); pm_readlittlelong(ifp, &entries); @@ -85,17 +85,17 @@ parse_foveon(FILE * const ifp) { pm_readlittlelong(ifp, &off); pm_readlittlelong(ifp, &len); pm_readlittlelong(ifp, &tag); - - save = ftell(ifp); - fseek (ifp, off, SEEK_SET); + + save = ftell_nofail(ifp); + fseek_nofail (ifp, off, SEEK_SET); pm_readlittlelong(ifp, &sec_); if (sec_ != (0x20434553 | (tag << 24))) return; switch (tag) { case 0x47414d49: /* IMAG */ - if (data_offset) + if (data_offset) break; data_offset = off + 28; - fseek (ifp, 12, SEEK_CUR); + fseek_nofail (ifp, 12, SEEK_CUR); { long wlong, hlong; pm_readlittlelong(ifp, &wlong); @@ -113,7 +113,7 @@ parse_foveon(FILE * const ifp) { case 0x504f5250: /* PROP */ pm_readlittlelong(ifp, &junk); pm_readlittlelong(ifp, &pent); - fseek (ifp, 12, SEEK_CUR); + fseek_nofail (ifp, 12, SEEK_CUR); off += pent*8 + 24; if (pent > 256) pent=256; for (i=0; i < pent*2; i++) { @@ -133,14 +133,14 @@ parse_foveon(FILE * const ifp) { timestamp = atoi (foveon_gets (poff[i][1], name, 64)); } } - fseek (ifp, save, SEEK_SET); + fseek_nofail (ifp, save, SEEK_SET); } is_foveon = 1; } -void +void foveon_coeff(int * const useCoeffP, float coeff[3][4]) { @@ -159,8 +159,8 @@ foveon_coeff(int * const useCoeffP, -static void -foveon_decoder (unsigned int const huff[1024], +static void +foveon_decoder (unsigned int const huff[1024], unsigned int const code) { struct decode *cur; @@ -180,7 +180,7 @@ foveon_decoder (unsigned int const huff[1024], } } } - if ((len = code >> 27) > 26) + if ((len = code >> 27) > 26) return; code2 = (len+1) << 27 | (code & 0x3ffffff) << 1; @@ -192,14 +192,14 @@ foveon_decoder (unsigned int const huff[1024], -static void +static void foveon_load_camf() { unsigned int i, val; long key; - fseek (ifp, meta_offset, SEEK_SET); + fseek_nofail (ifp, meta_offset, SEEK_SET); pm_readlittlelong(ifp, &key); - fread (meta_data, 1, meta_length, ifp); + fread_nofail (meta_data, 1, meta_length, ifp); for (i=0; i < meta_length; i++) { key = (key * 1597 + 51749) % 244944; assert(have64BitArithmetic); @@ -210,7 +210,7 @@ foveon_load_camf() { -void +void foveon_load_raw(Image const image) { struct decode *dindex; @@ -234,14 +234,14 @@ foveon_load_raw(Image const image) { for (row=0; row < height; row++) { long junk; memset (pred, 0, sizeof pred); - if (!bit) + if (!bit) pm_readlittlelong(ifp, &junk); for (col=bit=0; col < width; col++) { FORC3 { for (dindex=first_decode; dindex->branch[0]; ) { if ((bit = (bit-1) & 31) == 31) for (i=0; i < 4; i++) - bitbuf = (bitbuf << 8) + fgetc(ifp); + bitbuf = (bitbuf << 8) + fgetc_nofail(ifp); dindex = dindex->branch[bitbuf >> bit & 1]; } pred[c] += diff[dindex->leaf]; @@ -262,8 +262,8 @@ sget4(char const s[]) { -static char * -foveon_camf_param (const char * const block, +static char * +foveon_camf_param (const char * const block, const char * const param) { unsigned idx, num; char *pos, *cp, *dp; @@ -287,8 +287,8 @@ foveon_camf_param (const char * const block, -static void * -foveon_camf_matrix (int dim[3], +static void * +foveon_camf_matrix (int dim[3], const char * const name) { unsigned i, idx, type, ndim, size, *mat; @@ -325,9 +325,9 @@ foveon_camf_matrix (int dim[3], -static int -foveon_fixed (void * const ptr, - int const size, +static int +foveon_fixed (void * const ptr, + int const size, const char * const name) { void *dp; int dim[3]; @@ -345,7 +345,7 @@ static float foveon_avg (unsigned short *pix, int range[2], float cfilt) float val, min=FLT_MAX, max=-FLT_MAX, sum=0; for (i=range[0]; i <= range[1]; i++) { - sum += val = + sum += val = (short)pix[i*4] + ((short)pix[i*4]-(short)pix[(i-1)*4]) * cfilt; if (min > val) min = val; if (max < val) max = val; @@ -390,11 +390,11 @@ static int foveon_apply_curve (short *curve, int i) return i < 0 ? -(unsigned short)curve[1-i] : (unsigned short)curve[1+i]; } -void +void foveon_interpolate(Image const image, float coeff[3][4]) { - static const short hood[] = { + static const short hood[] = { -1,-1, -1,0, -1,1, 0,-1, 0,1, 1,-1, 1,0, 1,1 }; short *pix, prev[3], *curve[8], (*shrink)[3]; float cfilt=0.8, ddft[3][3][2], ppm[3][3][3]; @@ -441,7 +441,7 @@ foveon_interpolate(Image const image, for (i=0; i < 3; i++) FORC3 diag[c][i] = LAST(1,1)*LAST(2,2) - LAST(1,2)*LAST(2,1); #undef LAST - FORC3 div[c] = + FORC3 div[c] = diag[c][0]*0.3127 + diag[c][1]*0.329 + diag[c][2]*0.3583; } num = 0; @@ -494,11 +494,11 @@ foveon_interpolate(Image const image, for (row=1; row < height-1; row++) { FORC3 if (last[1][c] > last[0][c]) { if (last[1][c] > last[2][c]) - black[row][c] = + black[row][c] = (last[0][c] > last[2][c]) ? last[0][c]:last[2][c]; } else if (last[1][c] < last[2][c]) - black[row][c] = + black[row][c] = (last[0][c] < last[2][c]) ? last[0][c]:last[2][c]; memmove (last, last+1, 2*sizeof last[0]); memcpy (last[2], black[row+1], sizeof last[2]); @@ -547,8 +547,8 @@ foveon_interpolate(Image const image, diff = pix[c] - prev[c]; prev[c] = pix[c]; ipix[c] = pix[c] + floor ((diff + (diff*diff >> 14)) * cfilt - - ddft[0][c][1] - - ddft[0][c][0] + - ddft[0][c][1] + - ddft[0][c][0] * ((float) col/width - 0.5) - black[row][c] ); } @@ -563,7 +563,7 @@ foveon_interpolate(Image const image, val += ppm[c][i][j] * work[i][j]; ipix[c] = floor ((ipix[c] + floor(val)) * ( sgrow[col/sgx ][c] * (sgx - col%sgx) + - sgrow[col/sgx+1][c] * (col%sgx) ) / sgx / + sgrow[col/sgx+1][c] * (col%sgx) ) / sgx / div[c]); if (ipix[c] > 32000) ipix[c] = 32000; pix[c] = ipix[c]; @@ -584,7 +584,7 @@ foveon_interpolate(Image const image, memset (fsum, 0, sizeof fsum); for (sum=j=0; j < 8; j++) if (badpix[i] & (1 << j)) { - FORC3 fsum[c] += + FORC3 fsum[c] += image[(row+hood[j*2])*width+col+hood[j*2+1]][c]; sum++; } @@ -665,8 +665,8 @@ foveon_interpolate(Image const image, pix = (short*)image[row*width+2]; for (col=2; col < width-2; col++) { FORC3 dev[c] = -foveon_apply_curve (curve[7], pix[c] - - ((smrow[1][col][c] + - 2*smrow[2][col][c] + + ((smrow[1][col][c] + + 2*smrow[2][col][c] + smrow[3][col][c]) >> 2)); sum = (dev[0] + dev[1] + dev[2]) >> 3; FORC3 pix[c] += dev[c] - sum; @@ -695,7 +695,7 @@ foveon_interpolate(Image const image, if (sum < 0) sum = 0; j = total[3] > 375 ? (sum << 16) / total[3] : sum * 174; FORC3 pix[c] += foveon_apply_curve (curve[6], - ((j*total[c] + 0x8000) >> 16) + ((j*total[c] + 0x8000) >> 16) - pix[c]); pix += 4; } @@ -732,7 +732,7 @@ foveon_interpolate(Image const image, shrink[row*(width/4)+col][c] = ipix[c] >> 4; else shrink[row*(width/4)+col][c] = - (shrink[(row+1)*(width/4)+col][c]*1840 + + (shrink[(row+1)*(width/4)+col][c]*1840 + ipix[c]*141 + 2048) >> 12; } } @@ -742,7 +742,7 @@ foveon_interpolate(Image const image, if ((row & 3) == 0) for (col = width & ~3 ; col--; ) FORC3 smrow[0][col][c] = ipix[c] = - (shrink[(row/4)*(width/4)+col/4][c]*1485 + + (shrink[(row/4)*(width/4)+col/4][c]*1485 + ipix[c]*6707 + 4096) >> 13; /* Then smooth left-to-right */ @@ -757,7 +757,7 @@ foveon_interpolate(Image const image, else for (col=0; col < (width & ~3); col++) FORC3 smrow[2][col][c] = - (smrow[2][col][c]*6707 + smrow[1][col][c]*1485 + 4096) + (smrow[2][col][c]*6707 + smrow[1][col][c]*1485 + 4096) >> 13; /* Adjust the chroma toward the smooth values */ @@ -770,7 +770,7 @@ foveon_interpolate(Image const image, for (sum=c=0; c < 3; c++) { ipix[c] = foveon_apply_curve( curve[c+3], - ((smrow[2][col][c] * j + 0x8000) >> 16) - + ((smrow[2][col][c] * j + 0x8000) >> 16) - image[row*width+col][c]); sum += ipix[c]; } |